Yellow Giant Hyssop (Agastache nepetoides)
Plant Type: This is a herbaceous plant, it is a perennial which can reach a height of 2 Meters (7 feet ) .
Leaves: The leaf arrangement is opposite. Leaves can reach 15cm in length (6inches).
Each leaf is ovate, toothed and petioled.Flowers: The flowers are
irregular in shape and are up to 0.75cm long (0.3 inches). They are yellow-green. Blooms first appear in late summer and
continue into early fall. The flowers emerge seemingly at random from a dense erect spike up to 12cm (4.7") long and
1.5cm (0.6") thick. The upper lip of the corolla extends forward.
There are four stamen, the upper two curve down and the lower
two curve upward.Habitat: Thin woods, thickets and openings.Range:
Oklahoma to South Carolina north into Canada.
Color PhotoMore InfoClassification

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Not really a 'Hyssop' only the flower spikes are similar. Often
recommended to attract birds to the garden the seeds are available commercially.

Medical Uses: Some
members of the Agastache genus are used widely in herbal medicine especially in China.

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One of the best general guides to wildflowers of the North Eastern and North Central United States. Newcomb's key
is an excellent, simple method for identifying plants. Newcomb has drawings for almost every plant mentioned that
are excellent aids to identifying the species. Though only the more common plants are covered this is often the first
book I pick up when trying to identify a wildflower.
Wildflo
wers of Tennessee the Ohio Valley and the Southern Appalachians
By: Dennis Horn and Tavia Cathcart and Thomas E. Hemmerly and David Duhl. , ISBN:1551054280

This is perhaps the best of many field guides covering this region. Featuring 446 excellent color photographs (located
with the text) and mentioning as similar to those illustrated are another 800 or so species for a total coverage of over
1,200 species. The start of each family section includes line drawings of some of the species showing important
features. The text includes the usual description, bloom season, range, habitat and additionally includes information
such as medical uses and lore and how the species was named. This is the official field guide of the Tennessee
Native Plant Society.